
<h1><span class="yiyi-st" id="yiyi-12">numpy.matlib.repmat</span></h1>
        <blockquote>
        <p>原文：<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.matlib.repmat.html">https://docs.scipy.org/doc/numpy/reference/generated/numpy.matlib.repmat.html</a></p>
        <p>译者：<a href="https://github.com/wizardforcel">飞龙</a> <a href="http://usyiyi.cn/">UsyiyiCN</a></p>
        <p>校对：（虚位以待）</p>
        </blockquote>
    
<dl class="function">
<dt id="numpy.matlib.repmat"><span class="yiyi-st" id="yiyi-13"> <code class="descclassname">numpy.matlib.</code><code class="descname">repmat</code><span class="sig-paren">(</span><em>a</em>, <em>m</em>, <em>n</em><span class="sig-paren">)</span><a class="reference external" href="http://github.com/numpy/numpy/blob/v1.11.3/numpy/matlib.py#L310-L358"><span class="viewcode-link">[source]</span></a></span></dt>
<dd><p><span class="yiyi-st" id="yiyi-14">重复0-D到2-D数组或矩阵MxN次。</span></p>
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<tr class="field-odd field"><th class="field-name"><span class="yiyi-st" id="yiyi-15">参数：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-16"><strong>a</strong>：array_like</span></p>
<blockquote>
<div><p><span class="yiyi-st" id="yiyi-17">要重复的数组或矩阵。</span></p>
</div></blockquote>
<p><span class="yiyi-st" id="yiyi-18"><strong>m，n</strong>：int</span></p>
<blockquote>
<div><p><span class="yiyi-st" id="yiyi-19">沿着第一和第二轴重复次数<em class="xref py py-obj">a</em>。</span></p>
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<tr class="field-even field"><th class="field-name"><span class="yiyi-st" id="yiyi-20">返回：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-21"><strong>out</strong>：ndarray</span></p>
<blockquote class="last">
<div><p><span class="yiyi-st" id="yiyi-22">重复<em class="xref py py-obj">a</em>的结果。</span></p>
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<p class="rubric"><span class="yiyi-st" id="yiyi-23">例子</span></p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">numpy.matlib</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">a0</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">matlib</span><span class="o">.</span><span class="n">repmat</span><span class="p">(</span><span class="n">a0</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">)</span>
<span class="go">array([[1, 1, 1],</span>
<span class="go">       [1, 1, 1]])</span>
</pre></div>
</div>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">a1</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mi">4</span><span class="p">)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">matlib</span><span class="o">.</span><span class="n">repmat</span><span class="p">(</span><span class="n">a1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
<span class="go">array([[0, 1, 2, 3, 0, 1, 2, 3],</span>
<span class="go">       [0, 1, 2, 3, 0, 1, 2, 3]])</span>
</pre></div>
</div>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">a2</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">asmatrix</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mi">6</span><span class="p">)</span><span class="o">.</span><span class="n">reshape</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">))</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">matlib</span><span class="o">.</span><span class="n">repmat</span><span class="p">(</span><span class="n">a2</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">)</span>
<span class="go">matrix([[0, 1, 2, 0, 1, 2, 0, 1, 2],</span>
<span class="go">        [3, 4, 5, 3, 4, 5, 3, 4, 5],</span>
<span class="go">        [0, 1, 2, 0, 1, 2, 0, 1, 2],</span>
<span class="go">        [3, 4, 5, 3, 4, 5, 3, 4, 5]])</span>
</pre></div>
</div>
</dd></dl>
